1984
– Kilang Rantai S.A. Sdn. Bhd. (KRSA) was incorporated in Seberang Perai Industrial Estate.

1992
– Successfully signed the “Technical Advice Agreement” with RK Excel Co. Ltd Japan.

2001
– Established Kilang Sprocket S.A. Sdn. Bhd. (KSSA), a sister company of KRSA and motorcycle sprocket manufacturing.

2005
– Excel Rim Sdn. Bhd. is officially incorporated for motorcycle/bicycle rim production in Malaysia.

Jan 2010
– PTSTT (currently known as RK-Indonesia) is incorpoarted to expand the chain & sprocket market to Indonesia.

Aug 2010
– KRSA merge with RK Japan to extend the mastery on chain and sprocket manufacturing.

Sep 2010
-Business expansion to Thailand and Philippines by incorporating 2 new sales branch namely RK-Thai & RK-Philippines.

Dec 2011
– Business expansion to Vietnam, RK-Vietnam.

Jan 2013
– Achieve new milestone in business by bought over RK Excel America (California).

Jul 2013
– Officially rename KRSA to RK South Asia Sdn. Bhd. Successfully incorporate RK-Europe in France.

Jun 2016
– Further business expansion to Pakistan by incorporating RK-Autogic.

Mar 2018
– Establish partnership with Makino Automotive to pair local made sprocket with RK chain in India market.